Title

The Y-Triangle Move Does Not Preserve Intrinsic Knottedness

Document Type

Article

Department

Mathematics (Pomona)

Publication Date

2008

Keywords

Y-triangle, intrinsic knottedness

Abstract

We answer the question ``Does the Y-triangle move preserve intrinsic knottedness?'' in the negative by giving an example of a graph that is obtained from the intrinsically knotted graph K_7 by triangle-Y and Y-triangle moves but is not intrinsically knotted.

Rights Information

© 2008 Osaka University and Osaka City University, Departments of Mathematics

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